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Celestial object

M103

M 103, NGC 581

Open ClusterCasMag 7.400
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Survey preview for M103
Survey preview WISE 3.4

A locally cached survey cutout used as a reference preview until Astro Corner has a confirmed community image for this Object.

NASA/HEASARC SkyView · WISE 3.4View source query

Reference data

RA · J200001h 33m 21.8s23.340875°
Dec · J2000+60° 39′ 28.8″60.658000°
Magnitude7.400
Angular size4.5′
Position angle
Distance
ConstellationCas
Reference transparencySources & data provenanceSee where catalogue identities and imported reference fields came from.9 records

Catalogue identities

MESSIERM103Existing Astro Corner canonical name
MESSIERM 103OpenNGC via GAVO TAPSource
NGCNGC 581OpenNGC via GAVO TAPSource

Reference fields

Angular Size Major ArcminOpenNGC via GAVO TAP2026-08-14 18:46:21Source
ConstellationOpenNGC via GAVO TAP2026-08-14 18:46:21Source
Dec DegOpenNGC via GAVO TAP2026-08-14 18:46:21Source
MagnitudeOpenNGC via GAVO TAP2026-08-14 18:46:21Source
Object TypeOpenNGC via GAVO TAP2026-08-14 18:46:21Source
Ra DegOpenNGC via GAVO TAP2026-08-14 18:46:21Source

Community observations

No public community observations for this object yet.

Guides & knowledge

Published Guides that reference this canonical object.

Knowledge library

No published Guides reference this object yet.

Images of this object

Confirmed manual or plate-solve links to this canonical object. Solver suggestions are excluded until confirmed by the image owner.

No visible confirmed images are linked to this object yet.